EC2 Basics

• EC2 = Elastic Compute Cloud = Infrastructure as a Service
• Mainly consists in the capability of:
  • Renting virtual machines (EC2)
  • Storing data on virtual drives (EBS)
  • Distributing load across machines (ELB)
  • Scaling the services using an auto-scaling group (ASG)
• Knowing EC2 is fundamental to understanding how the Cloud Works

EC2 sizing and Configuration Options

• OS
• CPU
• RAM
• Storage Space
  • Network-attached (EBS & EFS)
  • hardware (EC2 instance store)
• Network card: speed of card, public IP address
• Firewall rules: security group
• Bootstrap script (configure at first launch): EC2 User Data

EC2 User Data

Used to automate boot tasks such as installing updates, software. Downloading common files from the internet

EC2 Instance Types

EC2 Instance Types

Security Groups & Classic Ports Overview

Security Groups & Classic Ports Overview